Activating DVMRP on an Interface

By default, DVMRP is not activated on an interface. Configuring any DVMRP parameter on an interface automatically activates DVMRP on that interface. You can also activate DVMRP on an interface and use the default parameters.

ip dvmrp

Use to activate DVMRP on an interface.
This command automatically creates and enables DVMRP processing on the current VR.
Issuing this command identifies this interface as one that DVMRP owns.
Example
host1:boston(config-if)#ip dvmrp
Use the no version to remove DVMRP from an interface.
See ip dvmrp.